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Weather Underground Forecast for Monday, April 27, 2015
An area of low pressure will develop over the central third of the country on Monday, while a separate system will linger over the coast of New England.
A robust area of low pressure will slide southeastward over the southern Plains and the western Gulf Coast. As this system draws moisture from the Gulf of Mexico, strong to severe thunderstorms will develop from the southern Plains to the central Gulf Coast. Severe thunderstorms will be possible over eastern Texas, Louisiana and southern Mississippi. These thunderstorms will be capable of producing large hail, dangerous straight line winds and isolated tornadoes. Heavy rain associated with these storms will bring threats of flash flooding to the western and central Gulf Coast. There will also be a chance of flash flooding over northern Texas, Oklahoma and southern Kansas. Additionally, heavy snow showers will continue to impact northern New Mexico and Colorado. Low elevation rain will also be possible across the central and southern Rockies. Just to the north, a cold front will skim across the northern tier of the country. This frontal boundary will generate light to moderate rain over the northern Plains.
Along the East Coast, an area of low pressure will inch over the Gulf of Maine and southeast Canada. This system will usher light showers over parts of the northern Mid-Atlantic and New England.
Out west, an onshore flow will persist over the Pacific Northwest, bringing light to moderate rain to western Washington and northwest Oregon. A ridge of high pressure will keep the Southwest mostly clear on Monday.